Finding the Fourth Proportional to 1,426.33, 1,966.56 and 1,190.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.33 : 1,966.56 = 1,190.62 : x
2. Step 2: Convert to fraction form
   1,426.33/1,966.56 = 1,190.62/x
3. Step 3: Cross multiply
   1,426.33x = 1,966.56 × 1,190.62
4. Step 4: Simplify right side
   1,426.33x = 2,341,425.67
5. Step 5: Solve for x
   x = 2,341,425.67/1,426.33
6. Step 6: Final answer
   x = 1,641.57